3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'ok'; echo json_encode($a);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0090.00916.61
8.3.50.0140.00318.07
8.3.40.0210.00318.68
8.3.30.0100.00318.54
8.3.20.0060.00318.80
8.3.10.0070.00021.82
8.3.00.0040.00421.78
8.2.180.0110.00716.50
8.2.170.0110.00422.96
8.2.160.0100.00722.20
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00019.77
8.2.120.0050.00226.35
8.2.110.0110.00021.00
8.2.100.0040.00817.91
8.2.90.0050.00517.63
8.2.80.0000.00817.97
8.2.70.0060.00317.92
8.2.60.0030.00518.04
8.2.50.0060.00318.10
8.2.40.0070.00320.18
8.2.30.0000.00719.23
8.2.20.0000.00818.06
8.2.10.0050.00317.86
8.2.00.0000.00817.48
8.1.280.0140.00725.92
8.1.270.0120.00323.90
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0040.00423.87
8.1.230.0150.00022.81
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00617.13
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0000.00818.51
8.1.160.0040.00422.00
8.1.150.0000.00818.72
8.1.140.0050.00219.60
8.1.130.0070.00017.64
8.1.120.0000.00717.35
8.1.110.0000.00817.40
8.1.100.0030.00417.29
8.1.90.0070.00017.29
8.1.80.0040.00417.27
8.1.70.0030.00317.23
8.1.60.0070.00017.54
8.1.50.0060.00317.43
8.1.40.0080.00017.34
8.1.30.0100.00017.54
8.1.20.0040.00417.57
8.1.10.0000.00717.49
8.1.00.0030.00517.36
8.0.300.0040.00419.66
8.0.290.0040.00416.75
8.0.280.0070.00018.40
8.0.270.0050.00317.24
8.0.260.0000.00617.28
8.0.250.0000.00716.86
8.0.240.0040.00417.00
8.0.230.0040.00416.77
8.0.220.0000.00716.75
8.0.210.0070.00016.79
8.0.200.0030.00316.85
8.0.190.0070.00016.84
8.0.180.0030.00316.84
8.0.170.0000.00816.83
8.0.160.0030.00316.77
8.0.150.0030.00316.73
8.0.140.0000.00716.80
8.0.130.0000.00513.27
8.0.120.0070.00016.80
8.0.110.0050.00216.88
8.0.100.0030.00616.80
8.0.90.0030.00516.69
8.0.80.0150.00016.80
8.0.70.0000.00716.81
8.0.60.0080.00016.87
8.0.50.0070.00016.88
8.0.30.0040.01417.01
8.0.20.0120.00717.40
8.0.10.0060.00316.95
8.0.00.0110.00516.64
7.4.330.0050.00015.55
7.4.320.0070.00016.45
7.4.300.0070.00016.42
7.4.290.0030.00316.41
7.4.280.0080.00016.34
7.4.270.0070.00016.29
7.4.260.0030.00316.55
7.4.250.0030.00316.47
7.4.240.0040.00416.51
7.4.230.0030.00316.62
7.4.220.0030.01616.46
7.4.210.0080.00516.55
7.4.200.0040.00416.24
7.4.160.0110.00516.30
7.4.150.0030.01317.40
7.4.140.0110.01117.86
7.4.130.0080.01016.47
7.4.120.0110.00616.41
7.4.110.0060.01216.25
7.4.100.0070.01016.59
7.4.90.0150.00316.30
7.4.80.0180.00019.39
7.4.70.0110.00516.33
7.4.60.0040.01216.30
7.4.50.0030.00716.24
7.4.40.0130.00916.28
7.4.30.0100.01116.29
7.4.00.0110.00014.72
7.3.330.0000.00513.11
7.3.320.0030.00313.04
7.3.310.0030.00316.06
7.3.300.0050.00216.11
7.3.290.0060.00816.16
7.3.280.0090.00816.14
7.3.270.0130.01017.40
7.3.260.0070.01116.40
7.3.250.0150.00416.27
7.3.240.0110.00916.29
7.3.230.0110.00716.42
7.3.210.0040.01216.18
7.3.200.0100.00716.06
7.3.190.0030.01416.34
7.3.180.0130.00716.28
7.3.170.0090.01516.02
7.3.160.0060.00916.35
7.2.330.0030.01316.66
7.2.320.0090.00816.48
7.2.310.0040.01116.61
7.2.300.0070.01716.29
7.2.290.0100.00616.60
7.1.200.0040.01115.46
7.1.70.0000.00817.08
7.1.60.0000.01417.20
7.1.00.0070.07322.48
7.0.200.0340.00414.81
7.0.120.0070.06022.12
7.0.110.0100.06322.05
7.0.100.0100.06322.04
7.0.90.0200.06022.10
7.0.80.0030.06022.04
7.0.70.0030.08722.05
7.0.60.0170.06022.02
7.0.50.0030.07721.99
7.0.40.0170.06722.06
7.0.30.0200.06022.11
7.0.20.0070.05722.13
7.0.10.0030.06022.02
7.0.00.0000.06322.13
5.6.270.0130.06321.07
5.6.260.0100.05321.11
5.6.250.0100.07721.02
5.6.240.0200.05720.75
5.6.230.0100.05320.77
5.6.220.0130.06020.97
5.6.210.0200.07320.66
5.6.200.0200.06020.81
5.6.190.0070.06320.83
5.6.180.0030.07320.84
5.6.170.0200.06020.85
5.6.160.0030.06020.91
5.6.150.0100.05720.83
5.6.140.0100.07320.98
5.6.130.0130.06720.97
5.6.120.0100.07720.80
5.6.110.0100.06720.89
5.6.100.0230.06720.96
5.6.90.0130.06720.88
5.6.80.0070.07320.29
5.6.70.0100.07020.21
5.6.60.0100.06020.29
5.6.50.0130.07020.12
5.6.40.0100.06020.31
5.6.30.0000.07720.37
5.6.20.0100.05720.34
5.6.10.0130.04720.34
5.6.00.0170.05020.36

preferences:
57.18 ms | 401 KiB | 5 Q